81042008 (number)

81042008 is an even 8-digits composite number following 81042007 and preceding 81042009. In scientific notation, it is written as 8.1042008 × 10^7. The sum of its digits is 23. It has a total of 6 prime factors and 32 positive divisors. There are 38949120 positive integers (up to 81042008) that are relatively prime to 81042008.

Interesting facts

Basic properties

Name

Name eighty-one million forty-two thousand eight

Notation

Scientific notation 8.1042008 × 10^7
Engineering notation 8.1042008 × 10^6

Prime Factorization of 81042008

Prime Factorization 2 × 2 × 2 × 29 × 271 × 1289

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20260502
Product of the distinct prime numbers

The prime factorization of 81042008 is 2 × 2 × 2 × 29 × 271 × 1289. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81042008)

Multiplication

n×y
n×2 162084016
n×3 243126024
n×4 324168032
n×5 405210040

Division

n÷y
n÷2 40521004
n÷3 27014002.666667
n÷3 20260502
n÷5 16208401.6

Exponentiation

ny
n2 6567807060672064
n3 5.3226827235344E+23
n4 4.3136089586214E+31
n5 3.4958353173347E+39

Nth Root

y√n
2√n 9002.3334752718
3√n 432.749655721
4√n 94.880627502519
5√n 38.1717471702

Divisors of 81042008

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81042007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81042008 can be divided by 32 positive divisors. The sum of these divisors (counting 81042008) is 1, the average is 0.03125.

Base conversion 81042008

Base System Value
2 Binary 100110101001001101001011000
3 Ternary 12122111100201212
4 Quaternary 10311021221120
5 Quinary 131221321013
6 Senary 12013002252
8 Octal 465115130
10 Decimal 81042008
12 Duodecimal 23183388
16 Hexadecimal 4d49a58
20 Vigesimal 156a508
36 Base36 1c90ew

Cryptographic Hash Functions

md5 f28b3828dc5706b2d2c04ca6aa6dab87
sha1 04417852203ebf28bead2e07e31c051c57afb6cf
sha256 68ae9373c5d2b80b3d824557359e6ecea23fbfc9c0c93e408f773f6dd191e285
sha512 2300d5f83072cc4419445a9d784a03550af7e7fbcad3593d456d9428c9606cf1ae69603a22f6fece291ed8eba63baa51748ebfa9ebdbbe16854a6ce7abd7451e
ripemd-160 bc2d61ab13579447495a080c97734b92757fcdb0

81042008 as geometric shapes

Circle

Radius = n
Diameter 162084016
Circumference 509201953.92993
Area 2.0633374412003E+16

Sphere

Radius = n
Volume 2.2295601255527E+24
Surface area 8.253349764801E+16
Circumference 509201953.92993

Square

Length = n
Perimeter 324168032
Area 6567807060672064
Diagonal 114610706.83555

Cube

Length = n
Surface area 39406842364032384
Volume 5.3226827235344E+23
Space diagonal 140368875.4034

Equilateral Triangle

Length = n
Perimeter 243126024
Area 2.8439438808484E+15
Altitude 70184437.701702

Triangular Pyramid

Length = n
Surface area 2.8439438808484E+15
Volume 6.2728417465261E+22
Height 38203568.945183